After careful research, it was decided that the spaceship should reenter the Earth’s________.
| A．surface | B．air | C．environment | D．atmosphere |
The population problem may be ___ one of the world today.
| A．the most |
| B．most difficult |
| C．the greatest |
| D．more interesting |
Mary is the youngest ___ the three girl.
| A．in |
| B．than |
| C．of |
| D．at |
Most people like Jazz 107.9 FM, because it ___ very beautiful.
| A．makes |
| B．takes |
| C．listens |
| D．plays |
— Can I ask you ___ questions?
— Sure.
| A．any |
| B．much |
| C．some |
| D．few |
That cinema has the biggest screen ___ the most comfortable seats in town.
| A．but |
| B．and |
| C．or |
| D．as |